減げん衰すい時じ間かんMeanings1noundeceleration timecomputing›Technical computing term for the time taken for a signal, oscillation, or process to decay or slow down.この回かい路ろの減げん衰すい時じ間かんは約やく5ミリ秒びょうです。The deceleration time of this circuit is about 5 milliseconds.